Description
ProMag PM123A Lower Receiver Vise Block Set is a 3-piece polymer vise block set made for AR-15/M16 upper and lower receiver magazine well work. The blocks clamp flat top and carry handle receiver components so they stay put during repair, assembly, and cleaning, helping prevent damage or movement while you work.
Key features
- Three-piece set for AR-15/M16 upper and lower receiver components
- Secure clamping to reduce movement during repairs and cleaning
- Heavy duty blocks for vise work on receiver magazine well areas
- Polymer blocks in black finish
What it does
Use it with a vise to hold upper and lower receiver components steady while you assemble or service them.



